/* ==============================================================================
   Sounds Fishy (SFGame) - Clean, Professional & Friendly Design
   Typography: Nunito
   Architecture: CSS Variables, Mobile-First
   ============================================================================== */

/* Font Imports (All 3 options loaded so you can switch easily) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Nunito:ital,wght@0,400;0,600;0,700;0,800;0,900;1,400;1,700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* --------------------------------------------------------------------------
   1. Design Tokens (CSS Variables)
   -------------------------------------------------------------------------- */
:root {
    /* Base Colors - Light Theme (Friendly, Clean & Modern) */
    --sf-bg-app: #f1f5f9;        /* Slate 100 */
    --sf-bg-card: #ffffff;
    --sf-text-main: #0f172a;     /* Slate 900 */
    --sf-text-muted: #64748b;    /* Slate 500 */
    
    /* Primary Action & Brand */
    --sf-primary: #2563eb;       /* Rich Royal Blue */
    --sf-primary-hover: #1d4ed8;
    --sf-primary-text: #ffffff;
    
    /* Vibrant Accent Colors for Icons & Badges */
    --sf-icon-blue: #2563eb;
    --sf-icon-emerald: #059669;
    --sf-icon-purple: #7c3aed;
    --sf-icon-amber: #d97706;
    --sf-icon-rose: #e11d48;
    --sf-icon-cyan: #0891b2;
    
    /* Secondary & Outline Buttons */
    --sf-btn-secondary-bg: #ffffff;
    --sf-btn-secondary-text: #334155;
    --sf-btn-secondary-border: #cbd5e1;
    --sf-btn-secondary-hover: #e2e8f0;

    /* Accent & Contrast Inputs */
    --sf-accent: #3b82f6;
    --sf-border: #e2e8f0;
    --sf-input-bg: #f8fafc;
    --sf-input-border: #94a3b8;
    --sf-input-text: #0f172a;
    
    /* Overlay */
    --sf-overlay-bg: rgba(15, 23, 42, 0.5);
    
    /* Typography Options (Uncomment the one you want to use) */
    --sf-font-family: 'Nunito', system-ui, -apple-system, sans-serif;
    /* --sf-font-family: 'Inter', system-ui, -apple-system, sans-serif; */
    /* --sf-font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif; */

    --sf-radius-sm: 8px;
    --sf-radius-md: 14px;
    --sf-radius-lg: 20px;
    
    /* Polished Shadows */
    --sf-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --sf-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --sf-shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.12);
    
    --sf-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables */
body.theme-dark {
    --sf-bg-app: #0f172a;        /* Deep Navy/Slate 900 */
    --sf-bg-card: #1e293b;       /* Slate 800 */
    --sf-text-main: #f8fafc;
    --sf-text-muted: #94a3b8;
    
    --sf-primary: #3b82f6;       /* Blue 500 */
    --sf-primary-hover: #60a5fa;
    --sf-primary-text: #ffffff;
    
    /* Vibrant Accent Colors for Icons & Badges in Dark Mode */
    --sf-icon-blue: #60a5fa;
    --sf-icon-emerald: #34d399;
    --sf-icon-purple: #a78bfa;
    --sf-icon-amber: #fbbf24;
    --sf-icon-rose: #f43f5e;
    --sf-icon-cyan: #22d3ee;
    
    --sf-btn-secondary-bg: #1e293b;
    --sf-btn-secondary-text: #f8fafc;
    --sf-btn-secondary-border: #475569;
    --sf-btn-secondary-hover: #334155;

    --sf-accent: #60a5fa;
    --sf-border: #334155;
    --sf-input-bg: #0f172a;
    --sf-input-border: #64748b;
    --sf-input-text: #f8fafc;
    
    --sf-overlay-bg: rgba(0, 0, 0, 0.75);
    --sf-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --sf-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --sf-shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.4);
}

/* --------------------------------------------------------------------------
   2. Base Reset & Font Enforcements
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body, .sfgame-body {
    background-color: var(--sf-bg-app);
    color: var(--sf-text-main);
    font-family: var(--sf-font-family) !important;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Ensure all elements inherit selected font */
button, input, select, textarea, div, span, p, h1, h2, h3, a {
    font-family: var(--sf-font-family) !important;
}

/* --------------------------------------------------------------------------
   3. Main Layout Container
   -------------------------------------------------------------------------- */
.sf-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* --------------------------------------------------------------------------
   4. Navigation & Header
   -------------------------------------------------------------------------- */
.sf-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--sf-border);
    margin-bottom: 2rem;
    transition: border-color 0.3s ease;
}

.sf-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--sf-text-main);
    text-decoration: none;
}

.sf-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sf-icon {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* Vibrant Icon Color Utilities */
.icon-blue { stroke: var(--sf-icon-blue) !important; color: var(--sf-icon-blue) !important; }
.icon-emerald { stroke: var(--sf-icon-emerald) !important; color: var(--sf-icon-emerald) !important; }
.icon-purple { stroke: var(--sf-icon-purple) !important; color: var(--sf-icon-purple) !important; }
.icon-amber { stroke: var(--sf-icon-amber) !important; color: var(--sf-icon-amber) !important; }
.icon-rose { stroke: var(--sf-icon-rose) !important; color: var(--sf-icon-rose) !important; }
.icon-cyan { stroke: var(--sf-icon-cyan) !important; color: var(--sf-icon-cyan) !important; }

/* Icon Badge Container */
.sf-icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--sf-radius-md);
    background: rgba(37, 99, 235, 0.1);
    flex-shrink: 0;
}
.sf-icon-box.box-emerald { background: rgba(5, 150, 105, 0.12); }
.sf-icon-box.box-purple { background: rgba(124, 58, 237, 0.12); }
.sf-icon-box.box-amber { background: rgba(217, 119, 6, 0.12); }

body.theme-dark .sf-icon-box { background: rgba(96, 165, 250, 0.15); }
body.theme-dark .sf-icon-box.box-emerald { background: rgba(52, 211, 153, 0.15); }
body.theme-dark .sf-icon-box.box-purple { background: rgba(167, 139, 250, 0.15); }
body.theme-dark .sf-icon-box.box-amber { background: rgba(251, 191, 36, 0.15); }

/* Header Buttons & Category Pill */
.sf-btn-icon {
    background: var(--sf-bg-card);
    border: 1px solid var(--sf-border);
    color: var(--sf-text-muted);
    padding: 0.5rem 0.75rem;
    border-radius: var(--sf-radius-md);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--sf-shadow-sm);
    transition: var(--sf-transition);
}

.sf-btn-icon:hover {
    color: var(--sf-text-main);
    border-color: var(--sf-primary);
    transform: translateY(-1px);
}

.sf-category-pill {
    background: var(--sf-bg-card);
    border: 1px solid var(--sf-border);
    color: var(--sf-text-main);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--sf-shadow-sm);
    transition: var(--sf-transition);
}

.sf-category-pill:hover {
    border-color: var(--sf-primary);
    transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   5. Buttons & Form Control Styling
   -------------------------------------------------------------------------- */
.sf-btn-action {
    background: var(--sf-primary);
    color: var(--sf-primary-text);
    font-weight: 800;
    font-size: 1.05rem;
    padding: 0.85rem 2rem;
    border: none;
    border-radius: var(--sf-radius-md);
    cursor: pointer;
    transition: var(--sf-transition);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.sf-btn-action:hover {
    background: var(--sf-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

.sf-btn-action:active {
    transform: translateY(0);
}

.sf-btn-secondary {
    background: var(--sf-btn-secondary-bg);
    border: 1px solid var(--sf-btn-secondary-border);
    color: var(--sf-btn-secondary-text);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.85rem 1.5rem;
    border-radius: var(--sf-radius-md);
    cursor: pointer;
    transition: var(--sf-transition);
    box-shadow: var(--sf-shadow-sm);
}

.sf-btn-secondary:hover {
    background: var(--sf-btn-secondary-hover);
    border-color: var(--sf-text-muted);
    transform: translateY(-1px);
}

.sf-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--sf-radius-md);
    border: 2px solid var(--sf-input-border);
    background-color: var(--sf-input-bg);
    color: var(--sf-input-text);
    font-size: 1rem;
    font-weight: 700;
    transition: var(--sf-transition);
}

.sf-input:focus {
    outline: none;
    border-color: var(--sf-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.sf-settings-feedback {
    display: none;
    font-size: 0.85rem;
    font-weight: 800;
    color: #065f46;
    background: #d1fae5;
    border: 1px solid #10b981;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    text-align: center;
    margin: 0.5rem auto 0 auto;
    width: fit-content;
}

body.theme-dark .sf-settings-feedback {
    color: #6ee7b7;
    background: rgba(16, 185, 129, 0.15);
    border-color: #10b981;
}

.sf-settings-feedback.show {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    animation: sf-fade-in 0.25s ease;
}

/* --------------------------------------------------------------------------
   6. Main Question Card Area
   -------------------------------------------------------------------------- */
.sf-game-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.sf-card {
    background: var(--sf-bg-card);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-lg);
    padding: 3rem 2.5rem;
    width: 100%;
    text-align: center;
    box-shadow: var(--sf-shadow-lg);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.sf-question-cat {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sf-primary);
    font-weight: 800;
    margin-bottom: 1.25rem;
}

.sf-question-text {
    font-size: 1.85rem;
    font-weight: 800;
    line-height: 1.35;
    margin: 0 0 2.5rem 0;
    color: var(--sf-text-main);
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sf-question-ref {
    margin: -1.5rem 0 2rem 0;
}

.sf-ref-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--sf-primary);
    text-decoration: none;
    background: var(--sf-bg-app);
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    border: 1px solid var(--sf-border);
    transition: var(--sf-transition);
}

.sf-ref-link:hover {
    border-color: var(--sf-primary);
    transform: translateY(-1px);
    box-shadow: var(--sf-shadow-sm);
}

.sf-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   7. Modals (Dismissable Backdrop)
   -------------------------------------------------------------------------- */
.sf-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--sf-overlay-bg);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity 0.2s ease;
    cursor: pointer;
}

.sf-modal-overlay.active {
    display: flex;
    opacity: 1;
}

.sf-modal {
    background: var(--sf-bg-card);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-lg);
    padding: 2rem;
    width: 90%;
    max-width: 440px;
    box-shadow: var(--sf-shadow-lg);
    color: var(--sf-text-main);
    transform: translateY(10px) scale(0.98);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: default;
    position: relative;
}

.sf-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.sf-modal-back-btn {
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.35rem 0.7rem;
    color: var(--sf-text-muted);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-sm);
}

.sf-modal-back-btn:hover {
    color: var(--sf-text-main);
    border-color: var(--sf-primary);
}

.sf-modal-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
}

.sf-modal-close {
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--sf-text-muted);
    line-height: 1;
    padding: 0.25rem;
    border-radius: var(--sf-radius-sm);
    transition: var(--sf-transition);
}

.sf-modal-close:hover {
    color: var(--sf-text-main);
    background: var(--sf-btn-secondary-hover);
}

/* Mode Switcher Cards inside Modal */
.sf-gamemode-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.sf-mode-card {
    background: var(--sf-bg-app);
    border: 2px solid var(--sf-border);
    border-radius: var(--sf-radius-md);
    padding: 1.15rem;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-mode-card.selected {
    border-color: var(--sf-primary);
    background: var(--sf-bg-card);
}

.sf-mode-card.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    border-style: dashed;
}

/* Mode Categories Checkbox List */
.sf-mode-categories {
    margin-top: 0.75rem;
    padding: 1rem;
    background: var(--sf-bg-app);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius-md);
}

.sf-cat-select-label {
    font-weight: 800;
    font-size: 0.9rem;
    color: var(--sf-text-main);
    margin-bottom: 0.75rem;
}

.sf-cat-checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sf-checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--sf-text-main);
    cursor: pointer;
    user-select: none;
}

.sf-checkbox-item input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    accent-color: var(--sf-primary);
    cursor: pointer;
}

.sf-checkbox-all {
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--sf-border);
    margin-bottom: 0.25rem;
}

.sf-badge-soon {
    background: #f59e0b;
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 9999px;
    letter-spacing: 0.05em;
}

/* Category Grid Items */
.sf-category-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 1rem;
}

.sf-cat-card {
    background: var(--sf-bg-app);
    border: 2px solid var(--sf-border);
    border-radius: var(--sf-radius-md);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: var(--sf-transition);
}

.sf-cat-card:hover, .sf-cat-card.selected {
    border-color: var(--sf-primary);
    background: var(--sf-bg-card);
    transform: translateY(-1px);
}

.sf-cat-card-icon {
    font-size: 1.6rem;
}

.sf-cat-card-title {
    font-weight: 700;
    font-size: 1.05rem;
}

/* --------------------------------------------------------------------------
   8. Answer Reveal Overlay & Blub Animation
   -------------------------------------------------------------------------- */
.sf-reveal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--sf-bg-app);
    z-index: 2000;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--sf-text-main);
    text-align: center;
    padding: 2rem;
}

.sf-reveal-overlay.active {
    display: flex;
}

.sf-countdown-number {
    font-size: 6.5rem;
    font-weight: 900;
    color: var(--sf-primary);
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.sf-answer-display {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.sf-answer-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--sf-text-muted);
    font-weight: 800;
    margin-bottom: 1.5rem;
}

/* Responsive Extra Large Answer Text (Max 2 lines, dynamic clamp scaling) */
.sf-answer-text {
    font-size: clamp(3rem, 9vw, 5.5rem);
    font-weight: 900;
    color: var(--sf-primary);
    line-height: 1.1;
    margin-bottom: 2rem;
    max-width: 90vw;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
}

/* Timer Container & Floating Water Bubbles Animation */
.sf-timer-container {
    width: 280px;
    margin: 0 auto;
    position: relative;
}

.sf-timer-bubbles {
    position: absolute;
    top: -24px;
    left: 0;
    width: 100%;
    height: 30px;
    pointer-events: none;
    overflow: visible;
}

.sf-dynamic-bubble {
    position: absolute;
    bottom: 0;
    background: var(--sf-primary);
    border-radius: 50%;
    pointer-events: none;
    animation: sf-float-single-bubble linear forwards;
}

@keyframes sf-float-single-bubble {
    0% {
        transform: translateY(0) scale(0.5);
        opacity: 0.85;
    }
    60% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-40px) scale(1.3);
        opacity: 0;
    }
}

.sf-timer-bar {
    width: 100%;
    height: 6px;
    background: var(--sf-border);
    border-radius: 9999px;
    overflow: hidden;
    opacity: 0.85;
}

.sf-timer-fill {
    height: 100%;
    background: var(--sf-primary);
    width: 100%;
    transform-origin: left;
    transition: width 0.05s linear;
}

.sf-dismiss-hint {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--sf-text-muted);
    margin-top: 1.5rem;
    opacity: 0.8;
}

/* --------------------------------------------------------------------------
   9. Portrait Warning Overlay
   -------------------------------------------------------------------------- */
.sf-portrait-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--sf-overlay-bg);
    z-index: 99999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    backdrop-filter: blur(12px);
}

.sf-portrait-icon {
    font-size: 3.5rem;
    animation: sf-rotate-phone 2.5s infinite ease-in-out;
    margin-bottom: 1.5rem;
}

.sf-portrait-overlay h2 {
    margin: 0 0 0.75rem 0;
    font-weight: 800;
    font-size: 1.6rem;
}

.sf-portrait-overlay p {
    color: var(--sf-text-muted);
    font-size: 1rem;
    font-weight: 600;
    max-width: 300px;
}

@keyframes sf-rotate-phone {
    0%, 10% { transform: rotate(0deg); }
    40%, 60% { transform: rotate(90deg); }
    90%, 100% { transform: rotate(0deg); }
}

/* Temporarily commented out portrait mode warning media query as requested */
/*
@media screen and (orientation: portrait) and (max-width: 900px) {
    .sf-portrait-overlay {
        display: flex;
    }
}
*/

/* --------------------------------------------------------------------------
   10. Mobile Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 600px) {
    .sf-header {
        flex-direction: column;
        gap: 0.85rem;
        align-items: flex-start;
    }
    .sf-brand {
        width: 100%;
        justify-content: center;
    }
    .sf-brand img {
        width: 100% !important;
        height: auto !important;
        max-width: 100%;
    }
    .sf-nav-actions {
        width: 100%;
        justify-content: space-between;
    }
    .sf-answer-text {
        font-size: 3.2rem;
    }
}